/*eslint-disable*/
const path = require('path');
const sass = require('sass');
const Promise = require('bluebird');
const fs = require('fs-extra');
const { match } = require('path-to-regexp');

const proxy = require('express-http-proxy');
const defaultSettings = require('./src/settings.js');

function resolve(dir) {
  return path.join(__dirname, dir);
}

const name = defaultSettings.title; // 网址标题
const port = 8013; // 端口配置

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  publicPath: '/',
  outputDir: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  devServer: {
    port,
    open: false,
    overlay: {
      warnings: false,
      errors: true,
    },
    // before(app) {
    //   function requireUncached(module) {
    //     try {
    //       // 删除缓存，动态加载
    //       delete require.cache[require.resolve(module)];
    //       return require(module);
    //     } catch (e) {
    //       // console.log(`can't load module in ${module}`);
    //       return false
    //     }
    //   }

    //   // 根据 mock 请求发送响应
    //   function sendValue(req, res, value) {
    //     if (typeof value === 'function') {
    //       value = value(req, res);
    //     }

    //     if (value.$$header) {
    //       Object.keys(value.$$header).forEach(key => {
    //         res.setHeader(key, value.$$header[key]);
    //       });
    //     }

    //     const delay = value.$$delay || 0;
    //     delete value.$$header;
    //     delete value.$$delay;

    //     Promise.delay(delay, value).then(result => {
    //       res.send(result);
    //     });
    //   }

    //   // 分解mockPath
    //   const splitUrl = resouce => {
    //     const splitUrl = resouce.split('::');
    //     let verb = 'get', url = '';
    //     if (splitUrl.length > 2) {
    //       throw new Error('url 格式不对');
    //     }
    //     if (splitUrl.length === 2) {
    //       verb = splitUrl[0].toLowerCase();
    //       url = splitUrl[1];
    //     } else if (splitUrl.length === 1) {
    //       verb = 'get';
    //       url = splitUrl[0];
    //     }
    //     return [verb, url];
    //   }

    //   // 处理 restful mock 接口
    //   const mockMap = require(path.join(__dirname, 'mock/mock-map'));
    //   // 根据用户是否添加 mock 文件来决定走本地 mock 或者转发到 dev 接口
    //   app.use('/mock', proxy(process.env.VUE_APP_BASE_API, {
    //     filter: function (req, res) {
    //       // 是否匹配到本地 rest 风格 api mockUrl
    //       const matchRESTApi = Object.keys(mockMap).findIndex(d => {
    //         const [, uri] = splitUrl(d);
    //         const matcher = match(uri, { decode: decodeURIComponent })
    //         return matcher(req.path)
    //       }) > -1
    //       // 如果匹配到 restApi 走本地 mock
    //       if (matchRESTApi) return false
    //       // 其他路径
    //       const mockPath = path.join(__dirname, 'mock', req.path);
    //       const value = requireUncached(mockPath);
    //       return value === false
    //     }
    //   }));
    //   // 对于每个 mock 请求，require mock 文件夹下的对应路径文件，并返回响应
    //   Object.keys(mockMap).forEach(mockPath => {
    //     const [verb, uri] = splitUrl(mockPath);
    //     app[verb](path.posix.join('/mock', uri), function (req, res) {
    //       const value = requireUncached(path.join(__dirname, 'mock', mockMap[mockPath]))
    //       sendValue(req, res, value)
    //     })
    //   })

    //   app.all('/mock/*', function (req, res) {
    //     const mockPath = path.join(__dirname, req.path)
    //     const value = requireUncached(mockPath)
    //     if (value) {
    //       sendValue(req, res, value)
    //     } else {
    //       res.sendStatus(404)
    //     }
    //   })
    // },
    proxy: {
      '/ws': {
        target: 'ws://192.168.1.210:30960/ws', //测试
        ws: true,
        changeOrigin: true,
        pathRewrite: { '^/ws': '' },
      },
      '/api': {
        target: 'http://192.168.1.210:30800', //测试
        ws: false,
        secure: false,
        changeOrigin: true,
        pathRewrite: { '^/api': '' },
      },
      '/dubhe': {
        target: 'http://192.168.1.210:30900', //测试
        ws: false,
        secure: false,
        changeOrigin: true,
        pathRewrite: { '^/dubhe': '' },
      }
    },
  },
  css: {
    loaderOptions: {
      sass: {
        implementation: sass,
      },
    },
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name,
    resolve: {
      alias: {
        '@': resolve('src'),
        '@crud': resolve('src/components/Crud'),
      },
    },
  },
  chainWebpack(config) {
    config.plugins.delete('preload');
    config.plugins.delete('prefetch');

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true;
        return options;
      })
      .end();

    config.module.rule('svg').exclude.add(resolve('src/svgs')).end();
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/svgs'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]',
      })
      .end();

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('eval-source-map'),
      );

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/,
            }])
            .end();
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial', // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/, // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true,
                },
              },
            });
          config.optimization.runtimeChunk('single');
        },
      );
  },
};
